Apple – Wireless Systems Validation Engineer (Wi-Fi/BT) 职位分析和面试指导

职位描述:

Summary:
We are the Apple Field Design Engineering Connectivity group specializing on Connectivity technologies such as WiFi/BT, GPS, NFC and UWB. As part of our Wireless Systems Validation, you’ll be responsible validating system performance in lab and field environments with goal of providing a good customer experience!

We are looking for highly motivated and passionate engineer to work on evaluating System performance for WiFi/BT technologies into Apple’s Wireless products. You’ll help improve the performance of our products through Innovation and collaboration across hardware and software groups. Together, our goal is to ensure nothing stands in the way of our customers’ connections with their devices.

Come join our team and help build world-renowned wireless systems that connect customers to their world!

Description:
You will be responsible for validating the performance and functional aspects of Wireless on Apple products from a user experience perspective throughout their development lifecycle, from early prototypes to post-release phases. Your role will also involve ensuring that Wireless on Apple products remains at the forefront of technological advancements. You’ll conduct in-depth analysis and proposing improvements to innovative technologies developed at Apple through focused experiments and real-world engineering analysis to improve overall end-user connectivity experiences.

Key Responsibilities Include:
-Developing and running Wi-Fi test plans with a primary focus on user experience to ensure seamless connectivity and optimal performance.
-Performing failure analysis to identify hardware or software issues through laboratory and field experiments.
-Conducting in-depth Wi-Fi/BT analysis of hardware, software, and system issues, including protocol stack analysis (PHY, MAC, Network, and Application layers).
-Generating comprehensive system performance test reports that include key performance indicators, highlighting critical issues, and providing a concise, data-driven summary for senior management review.
-Applying your data-driven expertise and deep engineering knowledge to influence program decisions.
-Collaborating with cross-functional teams and third-party vendors throughout the project lifecycle.

职位要求:

Minimum Qualifications:
Education: Bachelor’s degree in Electrical Engineering or Computer Engineering
5+ years of Wi-Fi/BT R&D or validation experience
Wi-Fi/BT technology (Protocol, Phy and RF) deep understanding, Wi-Fi 802.11 a/b/g/n/ac/ax/be
Experience on Wi-Fi/BT log analysis, identifying root cause, design of experiments, debugging skills to resolve HW/SW/System issues
Deep understanding on wireless communication theory, RF/OTA/Antenna technologies
Familiarity with test instruments such as RF Signal Generators, spectrum analyzer, oscilloscope, etc
Testing technology; System and User Experience performance evaluation experience

Preferred Qualifications:
Education: Master/Ph.D degree in Electrical Engineering or Computer Engineering
Strong understanding of TCP/IP and other upper layer protocols
Basic programming experience in Matlab/Python/Shell
System end to end or link level simulation experience
Open to travel and perform field testing
Able to work independently with strong multitasking skills

招聘部门:

Apple Hardware

工作地点:

Shanghai, Shanghai, China

面试建议:

Apple的无线系统验证工程师职位专注于Wi-Fi/BT技术的系统性能验证,这是一个将深厚技术功底与用户体验敏感度相结合的独特岗位。不同于普通的测试工程师,这个职位要求你不仅能够执行标准测试流程,更需要从用户角度出发,设计创新的验证方法,发现潜在问题并提出改进方案。面试官会特别关注你在复杂无线环境下的问题诊断能力,以及如何将技术分析转化为可执行的产品改进建议。 为了准备这场面试,你需要重点复习Wi-Fi/BT协议栈各层的工作原理,特别是802.11系列协议的最新演进。准备几个你解决过的典型无线连接问题的案例,展示你如何通过日志分析和实验设计定位问题根源。同时,由于这个职位强调跨团队协作,要准备好说明你与硬件、软件团队合作的经验。如果可能,带上你编写过的测试脚本或分析报告样例,这能直观展示你的技术深度和问题解决能力。记得强调你对用户体验的关注,这是Apple产品开发的核心价值。

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